org.elasticsearch.transport.TcpT

Exception in thread "elasticsearch[_client_][management][T#1]" java.lang.AbstractMethodError: org.elasticsearch.transport.TcpTransport.sendMessage(Ljava/lang/Object;Lorg/elasticsearch/common/bytes/BytesReference;Ljava/lang/Runnable;)V

原因：是因为elasticsearch版本和netty-client版本冲突导致

解决：版本保持一致